On Mon, Sep 4, 2017 at 3:26 AM, Jan Kara <jack@xxxxxxx> wrote: > On Sun 03-09-17 10:25:55, Dan Williams wrote: >> The 0day kbuild robot reports: >> >> >> drivers//dax/super.c:64:20: error: redefinition of 'fs_dax_get_by_bdev' >> struct dax_device *fs_dax_get_by_bdev(struct block_device *bdev) >> ^~~~~~~~~~~~~~~~~~ >> In file included from drivers//dax/super.c:22:0: >> include/linux/dax.h:76:34: note: previous definition of 'fs_dax_get_by_bdev' was here >> static inline struct dax_device *fs_dax_get_by_bdev(struct block_device *bdev) >> ^~~~~~~~~~~~~~~~~~ >> >> Protect the definition of fs_dax_get_by_bdev() in drivers/dax/super.c >> with an ifdef. >> >> Fixes: 78f354735081 ("dax: introduce a fs_dax_get_by_bdev() helper") >> Cc: Jan Kara <jack@xxxxxxx> >> Cc: Christoph Hellwig <hch@xxxxxx> >> Cc: Darrick J. Wong <darrick.wong@xxxxxxxxxx> >> Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx> >> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> > > OK, or you could have both !DAX and DAX implementations in > include/linux/dax.h as inline together? It would look a bit more logical to > me. But I don't care much. So > > Reviewed-by: Jan Kara <jack@xxxxxxx> My motivation for not doing that is to avoid including blkdev.h from dax.h.